Plasma Physics and Dynamo Theory

University of Catania, academic year 2026–27 · 42 hours, 6 ECTS
Alfio Bonanno

The course runs from the plasma state and Coulomb collisions through kinetic theory, fluid descriptions and MHD to dynamo theory in the Sun, stars, planets and galaxies. It is organised in modules of one or more academic hours; two mathematical modules (MA, MB) introduce the tools where they are first needed.

Slides

Handouts (one page per slide) of the modules taught so far. New modules are added after each lecture.

ModuleTitleContent
1. The plasma state
M01aThe plasma state: screening and oscillationsScreening and plasma oscillationsPDF 1.9 MB
M01bThe plasma state: regimes and ionisationRegimes and ionisation (Saha)PDF 3.7 MB
2. Coulomb collisions, resistivity and bremsstrahlung
M02aCoulomb collisionsCoulomb scattering, ln Λ, collision frequenciesPDF 0.6 MB
M02bResistivity, runaway and bremsstrahlungResistivity, runaway, bremsstrahlungPDF 0.9 MB
3. Charged-particle orbits and drifts
M03aOrbits: gyration and driftsGyration, E×B, force and polarisation driftsPDF 0.2 MB
M03bOrbits: inhomogeneous fields and fluid currentsGrad-B and curvature drifts; fluid currentsPDF 0.2 MB
4. Adiabatic invariants, mirrors and Fermi acceleration
M04aMagnetic mirrors and the first invariantMagnetic mirrors, μ invariance, loss conePDF 1.6 MB
M04bAdiabatic invariants, radiation belts and Fermi accelerationActions, Van Allen belts, Fermi accelerationPDF 1.2 MB
5. From Klimontovich to Vlasov
M05aFrom particles to the Vlasov equationExact microscopic description, BBGKY hierarchy and the Vlasov limitPDF 1.1 MB
M05bThe Vlasov–Maxwell systemVlasov–Maxwell system, Moments, Cold-beam instabilitiesPDF 0.5 MB
Mathematics A
MADistributions and singular integralsDistributions, weak solutions and shocks, principal value, Sokhotski–Plemelj, Laplace transform and analytic continuationPDF 0.6 MB
6. Linear waves and Landau damping
M06aLandau dampingLandau's initial-value problem, Plasma dispersion functionPDF 0.3 MB

Licence

Slides © 2026 Alfio Bonanno, released under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 licence. Images by third parties are excluded and keep their own licences: see the image credits.

Last update: 27 October 2026